Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9619971 | Game machine, control method of controlling computer used in game machine, and computer program | Masato Okuaki, Tomoaki Hirai | 2017-04-11 |
| D671172 | Twin-display | Katsumi Takahashi, Toshiaki Shimizu, Takashi Nishitsuji, Hidekazu Kato | 2012-11-20 |
| 7837198 | Symbol display device for game machine | Takashi Nishitsuji | 2010-11-23 |
| D626602 | Twin-display | Katsumi Takahashi, Toshiaki Shimizu, Takashi Nishitsuji, Hidekazu Kato | 2010-11-02 |